208905780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151381}}^1$

素因数の和:151416

約数の個数: 48

約数和(自身を含む): 610372224

約数和(自身を除く): 401466444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 151381, 302762, 454143, 605524, 756905, 908286, 1513810, 1816572, 2270715, 3027620, 3481763, 4541430, 6963526, 9082860, 10445289, 13927052, 17408815, 20890578, 34817630, 41781156, 52226445, 69635260, 104452890, 208905780]

約数ペア:

[(1, 208905780), (2, 104452890), (3, 69635260), (4, 52226445), (5, 41781156), (6, 34817630), (10, 20890578), (12, 17408815), (15, 13927052), (20, 10445289), (23, 9082860), (30, 6963526), (46, 4541430), (60, 3481763), (69, 3027620), (92, 2270715), (115, 1816572), (138, 1513810), (230, 908286), (276, 756905), (345, 605524), (460, 454143), (690, 302762), (1380, 151381)]